Home / 104,707.68-144,496.80-56,961.24

Finding the Fourth Proportional to 104,707.68, 144,496.80 and 56,961.24

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Solution

The fourth proportional to 104,707.68, 144,496.80 and 56,961.24 is: 78,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,707.68 : 144,496.80 = 56,961.24 : x
  2. Step 2: Convert to fraction form
    104,707.68/144,496.80 = 56,961.24/x
  3. Step 3: Cross multiply
    104,707.68x = 144,496.80 × 56,961.24
  4. Step 4: Simplify right side
    104,707.68x = 8,230,716,904.03
  5. Step 5: Solve for x
    x = 8,230,716,904.03/104,707.68
  6. Step 6: Final answer
    x = 78,606.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.